<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>test</title>
</head>
<body>
<form method="post" action="/admin/search">
    <input type="text" name="username" />
    <input type="text" name="password" />
    <input type="submit" value="输入" />
</form>
</body>
</html>